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Broad-spectrum bactericidal pollution-free growth-promoting thiazole manganese compound and composition thereof

A technology of manganese thiazole and compound is applied in the directions of biocides, biocides, fungicides, etc., to achieve the effects of reducing energy consumption, reducing manufacturing costs and costs, and being easy to prepare

Pending Publication Date: 2020-05-22
刘力
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] So far, there is no published literature at home and abroad to report the novel manganese thiazole compound of the present invention with better stability, such as manganese thiazole V-type crystal compound, that is, manganese thiazole crystalline hydrate with different molecular formula or different crystal form and its preparation method and use

Method used

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  • Broad-spectrum bactericidal pollution-free growth-promoting thiazole manganese compound and composition thereof
  • Broad-spectrum bactericidal pollution-free growth-promoting thiazole manganese compound and composition thereof
  • Broad-spectrum bactericidal pollution-free growth-promoting thiazole manganese compound and composition thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0148] Example 1 Preparation of Manganese Thiazole 2.5 Hydrate (Type V Compound)

[0149] At room temperature, add 7.99g of 2-amino-5-mercapto-1,3,4-thiadiazole to a 250ml flask, add 30ml of water, stir, add a solution of 2.45g of sodium hydroxide dissolved in an appropriate amount of water, stir, and then Add a solution of 5.071 g of manganese sulfate monohydrate dissolved in a proper amount of water, stir at about 40°C for about half an hour, take it out to cool, filter with suction, wash the solid with a small amount of water until there is no sulfate ion, and filter with suction. The obtained solid is diluted at about 52°C Blast drying for about 4 hours to obtain 8.2 g of brown-gray solid; melting point: greater than 280°C; water content determined by the Karfel method is 12.47%, thermal analysis: platform weight loss is about 12.68% (see attached figure 1 ), there is a corresponding endothermic peak (DTA) under the weightless platform (see attached figure 1 ), which is with...

Embodiment 2

[0150] Example 2 Preparation of Manganese Thiazole 2.5 Hydrate

[0151] In a 500ml flask, add 7.99g of 2-amino-5-mercapto-1,3,4-thiadiazole, add 35ml of water, and stir, add dropwise a solution of 2.52g of sodium hydroxide dissolved in an appropriate amount of water, stir for 30 minutes, and then add 30ml of an aqueous solution of 5.073g of manganese sulfate monohydrate, stir at about 40℃ for half an hour, take it out and let it cool, filter with suction, wash the solid with a small amount of water to make it free of sulfate ions, filter with suction, and dilute the obtained solid at about 56℃ with air and dry for 4h The result is 8.28g of brown-gray solid; melting point: greater than 280°C; the water content determined by the Karfel method is 12.31%, thermal analysis: the plateau weight loss is about 12.45%, and there is a corresponding endothermic peak (DTA) under the weight loss plateau before about 155°C ), the thermal analysis spectrum curve is basically consistent with Exam...

Embodiment 3

[0152] Example 3 Preparation of Manganese Thiazole 2.5 Hydrate

[0153] At room temperature, add 7.991g of 2-amino-5-mercapto-1,3,4-thiadiazole to a 250ml flask, add 50ml of water, stir, add 20ml of 2.5g potassium hydroxide aqueous solution, stir, then add chlorine A solution of 5.94g of manganese tetrahydrate dissolved in a proper amount of water, stirred for half an hour at about 40°C, take it out to cool, filter with suction, rinse the solid with a small amount of water four times, filter with suction, and dilute the obtained solid at about 60°C with blast After drying for about 4 hours, 8.36g of brown-gray solid is obtained; melting point: greater than 280℃; water content determined by Karfel's method is 12.18%, thermal analysis: plateau weight loss is about 12.25%, and there is a corresponding endothermic peak under the weight loss platform before about 158℃ ( DTA), the thermal analysis pattern curve is basically consistent with Example 1, which is within the error range of ...

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Abstract

The invention discloses an efficient pollution-free growth-promoting agricultural new compound thiazole manganese v-type compound. According to the invention, the compound is low in energy consumptionin the preparation process, easy to prepare, environmentally friendly, low in hygroscopicity and good in storage stability or prevention and treatment effect and the like, and is suitable for preparing a composition containing the compound, pesticides for preventing and treating various bacterial and fungal diseases on crops and / or promoting the health or growth and development of crops, or medicaments for protecting industrial materials from being invaded by germs and other fields.

Description

Technical field [0001] The invention relates to the technical field of pesticides, in particular to provide a new compound with better stability of broad-spectrum bactericidal manganese thiazole, an agricultural composition thereof, and a preparation method and application thereof. Background technique [0002] Manganese thiazole, the chemical name is bis(2-amino-5-mercapto-1,3,4-thiadiazole) manganese, molecular formula C 4 H 4 N 6 S 4 Mn, molecular weight 319.31, manganese thiazole is a synthetic organic manganese broad-spectrum fungicide, which has multiple functions such as systemic, conduction, prevention, protection, and treatment, and its therapeutic effect is greater than its protective effect. It is used to prevent and control crop bacterial diseases A new generation of high-efficiency, low-toxicity, and broad-spectrum fungicide has good control effects on bacterial and fungal diseases. It can be widely used in the control of various bacterial and fungal diseases of crops...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C07D285/135A01N43/824C05F11/00C05G3/60A01P3/00A01P1/00A01P21/00
CPCC07D285/135A01N43/82C05F11/00C05G3/00C07B2200/13
Inventor 刘力
Owner 刘力
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